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Pond |
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pond [pänd]
(geography) A small natural body of standing fresh water filling a surface depression, usually smaller than a lake. (mechanics) Pond an artificial reservoir dug to a depth of 3–5 m or created by the construction of dams in the valleys of small rivers or streams or in areas of gorges or gullies. A pond is usually no more than 1 sq km in area; it must have sufficiently steep banks, a slightly sloping bottom, and an erosion-resistant floor. If it is fed by the runoff of river or subsurface waters, the pond will only be filled in the spring by melting snow. Outlets are frequently installed to remove surplus water. In rural areas, ponds are built for irrigation, fish and waterfowl breeding, and the storage of water for various purposes. In cities and recreation areas, ponds are used for fishing, swimming, and other sports. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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